Need of the Hour

May 2018

India is one of the fastest growing markets for tunnel construction. With infrastructure development at the forefront, there is great scope for tunnelling in the country, especially for developing urban infrastructure, underground rail and road […]

New Materials
Potential for microfine cement in tunneling

May 2018

The different types of materials used in tunnel construction include explosives, concrete, steel, shotcrete material, lattice girders, geomembranes, rock bolts/anchors, admixtures, fibres and rock reinforcement. The demand for a particular type of material depends on […]

Bright Prospects
Key trends and outlook

June 2017

Tunnel development in India has accelerated over the past decade or so. This is driven by increased investments in the hydropower, railway, road and highway, metro rail, and water and sewerage sectors. According to India […]

Evolving Methods
Tunnel construction techniques in use

June 2017

Mechanised techniques are gradually replacing traditional or non-mechanised methods of tunnel construction in the country. Advanced, technology-driven, efficient and cost-effective methods of tunnelling are being deployed in almost all infrastructure sectors. However, despite the advances […]

Material Selection
Improved inputs for tunnel construction

June 2017

Materials used in tunnel construction vary significantly with the type of tunnelling method or technique deployed. Generally, non-mechanised techniques such as drill-and-blast entail a higher material cost as compared to mechanised techniques. The different types […]

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